If I get off the throttle in time, the engine will return to idle and keep running. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. I really like these forms. I put a new Zama carb on it, that didn't fix it. we took one of ours in and it took them like 2 min to fix it. Apparently there was enough synthetic residue to afford some protection. Why won't my chainsaw stay running? Turn it counterclockwise until the chain stops, then another quarter-turn. If the carburetor is clogged, try cleaning it with carburetor cleaner. Put in new carb kit same problem. My new Stihl 180c doesn't want to stay running. thanks for the advice fellas. When I open up the throttle to full RPM the engine runs great for a couple seconds and then just shuts down like it ran out of fuel. These are the three common problems that can cause such problems: If the electrodes are burnt, on the other hand, the fuel is burning too hot. One of my weed whackers is a Stihl Home owners unit. If the saw has been in use for many hours, it isn't unusual for it to clog and prevent air getting into the carburetor. From the tank the gas is suctioned into the carburetor where it mixes with air, then is pumped further into the cylinder where the spark plug ignites the mixture; any excess gas is purged back into the tank. Fresh gas mix with Sea Foam added, that didn't work. Stihl FS90R Trimmer. McCulloch is a Poulan brand. However, the machine only runs on choke. Thanks Dave. New fuel line, filter, air filter, and plug, that didn't work. It will run for 5-10 seconds and then stall out so I know it has spark. I have a STIHL 026 chainsaw. Then i unlocked it, put a new spark plug in it, and it wont stay running. Turn the "L" adjustment to the counterclockwise stop, then turn it back to the clockwise stop and turn it back halfway. View solutions. Running very rich, smokes and oily exhaust. I could not get the primer ball to fill with fuel until today. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. so thanks for your advice. If the spark arrestor is clogged, the chainsaw may run stall or run rough. Fix Your STIHL MM55 Cultivator. Apparently there was enough synthetic residue to afford some protection. Mechanic thought it might be an air leak in … I got it running yesterday but holding throttle open after running and shutting off it would restart easy even this morning 2 pulls and it started after cutting tho and taking a break it won’t restart. The fuel system on a chainsaw begins with the tank. A tune-up also should include inspection of the spark plug, and replacement, if necessary. When your Stihl 029 chainsaw has just the right combination of air and fuel in its combustion chamber, and the … Put in new carb kit same problem. This guide helps you to fix it without experiencing difficulties. No Video Available. The easy repair is the head to your local STIHL dealer and buy a new STIHL MM55 CARBURETOR 4601-120-0600 for about $40. Shipping all 7 days! Over time, the spark arrestor can become clogged with soot. The spark arrestor is a small screen that prevents the engine from emitting sparks. Sometimes, your chainsaw will only idle for about 5 to 10 seconds after … Start doing it yourself with the confidence that comes with 100+ years of experience. If old fuel was left in the chainsaw, drain the old fuel from the fuel tank and replace the fuel filter. I have a Stihl MS250 with a Walbro WT 215 carb. My other Stihl saw, and brush cutter both use fuel from the same container and don't smoke like the 180 does. I've been told that running Stihl synthetic oil might give you a "get out of jail free card" for these sorts of accidents. I started it yesterday, but it won't idle. If the spark arrestor is clogged, the chainsaw may run stall or run rough. My other Stihl saw, and brush cutter both use fuel from the same container and don't smoke like the 180 does. If you're in the habit of leaving the chainsaw idle for extended periods with gas in the tank, you should add fuel stabilizer. I have a 6 month old Stihl 250 chain saw that has only had 1 tank of gas run through it, ... a new carburetor on the other day and it was running fine. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. Any ideas? I can get it to start but it smokes very bad and will eventually bog down and die if I slow to an idle. How to Repair a Stihl MS291 that Won’t Start – Diagnostics – Including Piston Replacement Date: December 18, 2018 Author: Richard Tomlinsen 4 Comments Here I document, with pictures, the procedure taken to repair a Stihl MS291 Chainsaw that would not. Why Does My Stihl Chain Saw Bog Down When I'm Cutting? We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. But, we will discuss the carb kit building at the final step of our fixation as that is the most complex task. You will end up waiting and paying more. I also have an Ebay purchased $12 carb. NOT just Leaf Blowers! After replacing the plug, adjust the carburetor to reduce the amount of gas. I have to run it on half choke all the time or it will act like it s running out of gas and then stall. Written by Peter Toth. A McCulloch chain saw that won't keep running may have a major problem. 6 possible causes and potential solutions . One of the local techs told me that he'd seen a saw run for 3-4 full tanks of pure petrol before the owner experienced problems. That is why professionals advise that you do not leave your chainsaw running, especially for more than five minutes. Completely remove the fuel cap from the gas tank. The more you use a chainsaw, the quality of the fuel gets worse with time. Stihl MS-290 Farm Boss chain saw won't stay running I've had this Stihl MS-290 Farm Boss chain saw for at least 5 years with impeccable trouble free service. My Poulan Pro chainsaws start but won't stay running. To unclog the spark arrestor, remove it and clean it with a wire brush. I've been told that running Stihl synthetic oil might give you a "get out of jail free card" for these sorts of accidents. A clogged fuel filter is often caused by leaving old fuel in the chainsaw. 30 Replies 13980 Views November 20, 2013, 09:14:08 AM by AdkStihl : 026 stihl won't stay running A McCulloch chain saw that won't keep running may have a major problem. it has spark. Chainsaw running rough. Fresh gas mix with Sea Foam added, that didn't work. If your Stihl chainsaw starts up with a reassuring puttering sound, but dies when you pull the throttle trigger, there likely is an issue with the fuel, but the carburetor could need adjustment. Ethanol separates varnishes from the gas, so that more collect in the fuel lines. If the engine has been smoking, which is an indication that the fuel/air mixture is too rich, carbon deposits on the screen and prevent circulation through the combustion chamber. Stihl Chainsaw starts then stalls. Removed the spark screen,a little dirty,but not too bad. Just wanted to say thank you for that advice on the 192 Stihl muffler screen. 10 Replies 8129 Views March 12, 2010, 04:28:36 PM by ErikC : Saw won't stay running Started by JohnnyF on Chainsaws. That was what the problem was with mine and I took it out and it was indeed all carboned up. Jump to Latest Follow ... My FS-55 string trimmer will start but wont stay running. Trimmer is a Stihl RX100 that looks to be in great condition. Contents. Saves time and money! No Video Available. My stihl start fine but will not stay running. I just loosen the chain. No matter what I … To unclog the spark arrestor, remove it and clean it … Check the fuel tank Checking the tank to ensure it’s not empty is probably one of the first things many people do when a chainsaw won’t stay running. One of the local techs told me that he'd seen a saw run for 3-4 full tanks of pure petrol before the owner experienced problems. Runs like a champ now. It finally died. Chainsaw chain not turning. That's a sign of too much ethanol in the gasoline. 6 possible causes and potential ... View solutions. Fortunately, resolving any of them will only require using some simple tools and a bit of "elbow grease." . It wont stall however if I run it at almost full throttle. Engine starts and idles great. The fuel system on a chainsaw begins with the tank. If anyhow the idle port of your chainsaw becomes unserviceable, it won’t be able to keep your saw at idle. Other troubleshooting issues many chainsaw owners can experience is when the chainsaw starts but something goes wrong; it may stall, stop running, chain won’t cut, or the chain won’t stop running. Always stop a saw before the tank runs completely dry. Well I have a 044 that won’t start up . If your Stihl chainsaw starts up with a reassuring puttering sound, but dies when you pull the throttle trigger, there likely is an issue with the fuel, but the carburetor could need adjustment. Be sure to use the correct gasoline:oil mixture ratio recommended for your chainsaw. Any ideas? I believe its starving for … I noticed that these is a electrical contact that makes contact once I move it from choke to run. How Often Do I Need to Change a Spark Plug in a Stihl Chainsaw? So, I went through it and rebuilt the carb (original Zama W33A), new gaskets, cleaned the air filter, new fuel filter, new fuel and fuel lines. The fuel filter might be clogged. The Stihl 180 is a homeowner-grade chainsaw, offering light weight and strong cutting performance in a compact package. Already ordered? Find the most common problems that can cause a Stihl Chainsaw not to work - and the parts & instructions ... Chainsaw won't start. I was cutting a cedar tree, and it started smoking, and it smelled like rubber burning. But, on the subject of quality equipment: I bought my Stihl 30 years ago, it has been used ALOT, and has never needed any work whatsoever. When Your Chainsaw Won’t Stay Running. No matter how much I adjust the "L" screw it doesn't change. You also should check and clean the spark arrestor, which is a screen located just behind the muffler. Well, it depends on what type of idling issue we are talking about. Spark plug good,good fuel I use vp 40:1 , air filter clean and chain brake off. The pull starter then locked up. Over time, the spark arrestor can become clogged with soot. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. 7 possible causes and potential solutions ... View solutions. Don’t run the … Moreover, several reasons may cause stalling/shutting down the engine. Chainsaw not cutting. November 5th, 2012. Stihl MS170 Chainsaw Powerhead In Great Physical Condition But Sold As Inoperable. LawnMower stihl has a big problem with there weedwackers hedge trimmers and blowers doing this. Adjust the screw halfway between these two positions. Stihl chainsaw carburetors usually have three adjustment screws: one each for idle, low speed and high speed. My new Stihl 180c doesn't want to stay running. To get things started, what are the dangers of operating a chainsaw that doesn’t idle properly? Stihl ms390 wont stay running? The first and easiest part of the saw to check when it's stalling is the air filter. 20 Replies 9446 Views March 22, 2012, 10:31:00 PM by treeclimercj : My 38cc Craftsman wont stay running. The primary reason that is why your chainsaw won’t stay running is the faulty carb (carburetor). © Copyright 2020 Hearst Communications, Inc. You need to ensure that your chainsaw does not stay on choke because it results in excess fuel consumption. Re-assemble the saw and put in fresh, properly mixed, gas. My trusty (10 yr) old Stihl 16" chainsaw is starting fine (have to choke once until it kicks - which has always been the way) but it will only run for 20 or 30 seconds and then dies. Here’s What To Do If Your Chainsaw Won’t Stay Running. I had the same problem with my chainsaw… Stihl chainsaw model 025 idles and starts fine but won't stay running unless choke is held down. Probable Reasons & Solutions: A Chainsaw Won’t Stay Running. No Video Available. Try to use or at least run your chainsaw on a regular basis just to keep all its parts active. The spark arrestor is a small screen that prevents the engine from emitting sparks. By replacing your spark plugs and keeping your gas lines clear you can reduce the chances of this problem recurring. Here are some additional things to check and try if you experience these problems: in Chainsaws. Started by whitezin65 on Chainsaws. Though all Stihl saws are designed to provide years of trouble-free service, if your saw is running poorly or won’t start, there are three things to … I … New fuel line, filter, air filter, and plug, that didn't work. Model #'s pp3516avx & pp4218avhd please advise. The carburetor might be clogged. Pull the filter off and replace it … 10 Replies 2805 Views October 21, 2006, 08:36:24 PM by PineNut : Husky 350 won't stay running Started by DR_Buck on Chainsaws Reading this post made me think about my own chain saw. Started by Pullinchips on Chainsaws. It will run for about three to five seconds and then sputters to a stop. I was told by a Stihl trained tech that the passageways are so small the only chance of cleaning them is to dunk them in an ultrasonic ... That makes me wonder if there is a chamber in the carb that fills up when I try to start it with the choke but won't refill fast enough to keep it running. Inspect the air filter to determine if it is clogged. This sticky fuel can clog up the fuel filter and cause the engine to stall. View solutions. Hook the fuel line by reaching into the tank and carefully pull the line towards you. When I start it in the choke position it runs but when I move the switch off of the throttle osition it dies. 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Cleaning it with a wire brush FS-55 string trimmer will start but to... The end rubber burning engine wo n't run these two positions on it, that did n't.. Saw before the tank runs completely dry but wo n't run full throttle keithgkn on chainsaws should servicing! N'T smoke like the 180 does position it runs but when I move from! Fix your unit if it is clogged, replace the entire carburetor Replies 9446 March. A bachelor 's degree in humanities use vp 40:1, air filter air.